About this trial
Phase III clinical study of SIM0718 asthma
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 12 to 75 years, weight ≥ 40 kg, diagnosed with asthma for at least 12 months;
Currently receiving medium- to high-dose inhaled corticosteroids (ICS) in combination with 1 or 2 control medications and have been on a stable dose for at least 28 days prior to randomization;
Pre-bronchodilator (trough) FEV1 ≤ 80% of predicted normal for adults and ≤90% of predicted normal for adolescents ;
Positive bronchodilator response within 12 months prior to randomization or during the screening period;
Disqualifiers
Current respiratory disease that may impair lung function as judged by the investigator;
Diagnosis of helminth parasitic infection within 24 weeks prior to randomization and who have not received or have not responded to standard therapy;
Within 28 days prior to randomization, with acute or chronic infection; or have a severe viral infection;
Has a known or suspected history of immunosuppression or frequent, recurrent, or long-term infection;
Trial design
Parallel
Treatments tested in this trial
SIM0718 injection
DrugDosage form: injection Specification: 300mg/2ml/bottle Dosage: A loading dose of 600 mg is injected subcutaneously on day 1, followed by 300 mg SIM0718 subcutaneously every two weeks. Duration of medication: 52 weeks
SIM0718 injection of placebo
DrugDosage form: injection Specification: 2ml/bottle Dosage: 4ml subcutaneously on day 1, followed by 2ml of placebo subcutaneously every two weeks. Duration of medication: 52 weeks
Treatment groups
Trial outcomes
Primary outcomes
Annualized rate of severe asthma exacerbation events
Annualized rate of severe asthma exacerbation events within 52 weeks
Secondary outcomes
Change from baseline in forced expiratory volume in the first second before bronchodilator use
Change from baseline in forced expiratory volume in the first second before within 12 weeks
Change from baseline in Forced Vital Capacity (FVC)
Change from baseline in Forced Vital Capacity (FVC) of during the 52-week treatment period
Change from baseline in pre-bronchodilator forced expiratory volume in 1 second
Change from baseline in pre-bronchodilator forced expiratory volume in 1 second of during the 52-week treatment period
Change from baseline in Peak Expiratory Flow (PEF)
Change from baseline in Peak Expiratory Flow (PEF) of during the 52-week treatment period
Sponsors and contacts
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